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Finding the Third Proportional to 555,309,698,598 and 781,998,423,493.50

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Solution

The third proportional to 555,309,698,598 and 781,998,423,493.50 is: 1,101,226,101,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,309,698,598 : 781,998,423,493.50 = 781,998,423,493.50 : x
  2. Step 2: Convert to fraction form
    555,309,698,598/781,998,423,493.50 = 781,998,423,493.50/x
  3. Step 3: Cross multiply
    555,309,698,598x = 781,998,423,493.50 × 781,998,423,493.50
  4. Step 4: Simplify right side
    555,309,698,598x = 611,521,534,346,319,311,667,200
  5. Step 5: Solve for x
    x = 611,521,534,346,319,311,667,200/555,309,698,598
  6. Step 6: Final answer
    x = 1,101,226,101,201.25

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.