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Finding the Third Proportional to 86,454,612 and 133,721,904

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Solution

The third proportional to 86,454,612 and 133,721,904 is: 206,831,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,454,612 : 133,721,904 = 133,721,904 : x
  2. Step 2: Convert to fraction form
    86,454,612/133,721,904 = 133,721,904/x
  3. Step 3: Cross multiply
    86,454,612x = 133,721,904 × 133,721,904
  4. Step 4: Simplify right side
    86,454,612x = 17,881,547,609,385,216
  5. Step 5: Solve for x
    x = 17,881,547,609,385,216/86,454,612
  6. Step 6: Final answer
    x = 206,831,621.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.