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Finding the Third Proportional to 15,640,428 and 34,061,370

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Solution

The third proportional to 15,640,428 and 34,061,370 is: 74,178,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640,428 : 34,061,370 = 34,061,370 : x
  2. Step 2: Convert to fraction form
    15,640,428/34,061,370 = 34,061,370/x
  3. Step 3: Cross multiply
    15,640,428x = 34,061,370 × 34,061,370
  4. Step 4: Simplify right side
    15,640,428x = 1,160,176,926,276,900
  5. Step 5: Solve for x
    x = 1,160,176,926,276,900/15,640,428
  6. Step 6: Final answer
    x = 74,178,080.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.