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Finding the Third Proportional to 15,919,643 and 25,248,702

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Solution

The third proportional to 15,919,643 and 25,248,702 is: 40,044,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919,643 : 25,248,702 = 25,248,702 : x
  2. Step 2: Convert to fraction form
    15,919,643/25,248,702 = 25,248,702/x
  3. Step 3: Cross multiply
    15,919,643x = 25,248,702 × 25,248,702
  4. Step 4: Simplify right side
    15,919,643x = 637,496,952,684,804
  5. Step 5: Solve for x
    x = 637,496,952,684,804/15,919,643
  6. Step 6: Final answer
    x = 40,044,676.42

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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.