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Finding the Third Proportional to 15,896,968.50 and 25,213,428

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Solution

The third proportional to 15,896,968.50 and 25,213,428 is: 39,989,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896,968.50 : 25,213,428 = 25,213,428 : x
  2. Step 2: Convert to fraction form
    15,896,968.50/25,213,428 = 25,213,428/x
  3. Step 3: Cross multiply
    15,896,968.50x = 25,213,428 × 25,213,428
  4. Step 4: Simplify right side
    15,896,968.50x = 635,716,951,511,184
  5. Step 5: Solve for x
    x = 635,716,951,511,184/15,896,968.50
  6. Step 6: Final answer
    x = 39,989,822.68

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.