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Finding the Third Proportional to 108,857,386.13 and 168,551,281.69

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Solution

The third proportional to 108,857,386.13 and 168,551,281.69 is: 260,979,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,857,386.13 : 168,551,281.69 = 168,551,281.69 : x
  2. Step 2: Convert to fraction form
    108,857,386.13/168,551,281.69 = 168,551,281.69/x
  3. Step 3: Cross multiply
    108,857,386.13x = 168,551,281.69 × 168,551,281.69
  4. Step 4: Simplify right side
    108,857,386.13x = 28,409,534,558,498,972
  5. Step 5: Solve for x
    x = 28,409,534,558,498,972/108,857,386.13
  6. Step 6: Final answer
    x = 260,979,393.04

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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.