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Finding the Third Proportional to 86,722,650 and 127,687,023

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Solution

The third proportional to 86,722,650 and 127,687,023 is: 188,001,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,722,650 : 127,687,023 = 127,687,023 : x
  2. Step 2: Convert to fraction form
    86,722,650/127,687,023 = 127,687,023/x
  3. Step 3: Cross multiply
    86,722,650x = 127,687,023 × 127,687,023
  4. Step 4: Simplify right side
    86,722,650x = 16,303,975,842,602,528
  5. Step 5: Solve for x
    x = 16,303,975,842,602,528/86,722,650
  6. Step 6: Final answer
    x = 188,001,356.54

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.