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Finding the Third Proportional to 91,246,894 and 141,378,780

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Solution

The third proportional to 91,246,894 and 141,378,780 is: 219,053,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,246,894 : 141,378,780 = 141,378,780 : x
  2. Step 2: Convert to fraction form
    91,246,894/141,378,780 = 141,378,780/x
  3. Step 3: Cross multiply
    91,246,894x = 141,378,780 × 141,378,780
  4. Step 4: Simplify right side
    91,246,894x = 19,987,959,434,288,400
  5. Step 5: Solve for x
    x = 19,987,959,434,288,400/91,246,894
  6. Step 6: Final answer
    x = 219,053,587.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.