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Finding the Third Proportional to 90,707,496 and 139,611,570

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Solution

The third proportional to 90,707,496 and 139,611,570 is: 214,881,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,707,496 : 139,611,570 = 139,611,570 : x
  2. Step 2: Convert to fraction form
    90,707,496/139,611,570 = 139,611,570/x
  3. Step 3: Cross multiply
    90,707,496x = 139,611,570 × 139,611,570
  4. Step 4: Simplify right side
    90,707,496x = 19,491,390,477,864,900
  5. Step 5: Solve for x
    x = 19,491,390,477,864,900/90,707,496
  6. Step 6: Final answer
    x = 214,881,805.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.