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Finding the Third Proportional to 86,551,582 and 134,790,442

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Solution

The third proportional to 86,551,582 and 134,790,442 is: 209,914,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,551,582 : 134,790,442 = 134,790,442 : x
  2. Step 2: Convert to fraction form
    86,551,582/134,790,442 = 134,790,442/x
  3. Step 3: Cross multiply
    86,551,582x = 134,790,442 × 134,790,442
  4. Step 4: Simplify right side
    86,551,582x = 18,168,463,254,555,364
  5. Step 5: Solve for x
    x = 18,168,463,254,555,364/86,551,582
  6. Step 6: Final answer
    x = 209,914,860.42

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.