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Finding the Third Proportional to 91,080,432 and 139,909,518

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Solution

The third proportional to 91,080,432 and 139,909,518 is: 214,916,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,080,432 : 139,909,518 = 139,909,518 : x
  2. Step 2: Convert to fraction form
    91,080,432/139,909,518 = 139,909,518/x
  3. Step 3: Cross multiply
    91,080,432x = 139,909,518 × 139,909,518
  4. Step 4: Simplify right side
    91,080,432x = 19,574,673,226,992,324
  5. Step 5: Solve for x
    x = 19,574,673,226,992,324/91,080,432
  6. Step 6: Final answer
    x = 214,916,341.49

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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.