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Finding the Third Proportional to 15,896,920 and 25,213,352

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Solution

The third proportional to 15,896,920 and 25,213,352 is: 39,989,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896,920 : 25,213,352 = 25,213,352 : x
  2. Step 2: Convert to fraction form
    15,896,920/25,213,352 = 25,213,352/x
  3. Step 3: Cross multiply
    15,896,920x = 25,213,352 × 25,213,352
  4. Step 4: Simplify right side
    15,896,920x = 635,713,119,075,904
  5. Step 5: Solve for x
    x = 635,713,119,075,904/15,896,920
  6. Step 6: Final answer
    x = 39,989,703.61

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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.