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Finding the Third Proportional to 91,080,438 and 139,909,527

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Solution

The third proportional to 91,080,438 and 139,909,527 is: 214,916,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,080,438 : 139,909,527 = 139,909,527 : x
  2. Step 2: Convert to fraction form
    91,080,438/139,909,527 = 139,909,527/x
  3. Step 3: Cross multiply
    91,080,438x = 139,909,527 × 139,909,527
  4. Step 4: Simplify right side
    91,080,438x = 19,574,675,745,363,728
  5. Step 5: Solve for x
    x = 19,574,675,745,363,728/91,080,438
  6. Step 6: Final answer
    x = 214,916,354.98

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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.