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Finding the Third Proportional to 346,312.97 and 518,076

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Solution

The third proportional to 346,312.97 and 518,076 is: 775,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,312.97 : 518,076 = 518,076 : x
  2. Step 2: Convert to fraction form
    346,312.97/518,076 = 518,076/x
  3. Step 3: Cross multiply
    346,312.97x = 518,076 × 518,076
  4. Step 4: Simplify right side
    346,312.97x = 268,402,741,776
  5. Step 5: Solve for x
    x = 268,402,741,776/346,312.97
  6. Step 6: Final answer
    x = 775,029.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.