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Finding the Third Proportional to 10,420,395 and 15,739,482

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Solution

The third proportional to 10,420,395 and 15,739,482 is: 23,773,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,395 : 15,739,482 = 15,739,482 : x
  2. Step 2: Convert to fraction form
    10,420,395/15,739,482 = 15,739,482/x
  3. Step 3: Cross multiply
    10,420,395x = 15,739,482 × 15,739,482
  4. Step 4: Simplify right side
    10,420,395x = 247,731,293,628,324
  5. Step 5: Solve for x
    x = 247,731,293,628,324/10,420,395
  6. Step 6: Final answer
    x = 23,773,695.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.