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Finding the Third Proportional to 18,172,356 and 38,899,096.50

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Solution

The third proportional to 18,172,356 and 38,899,096.50 is: 83,266,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,356 : 38,899,096.50 = 38,899,096.50 : x
  2. Step 2: Convert to fraction form
    18,172,356/38,899,096.50 = 38,899,096.50/x
  3. Step 3: Cross multiply
    18,172,356x = 38,899,096.50 × 38,899,096.50
  4. Step 4: Simplify right side
    18,172,356x = 1,513,139,708,516,312.25
  5. Step 5: Solve for x
    x = 1,513,139,708,516,312.25/18,172,356
  6. Step 6: Final answer
    x = 83,266,017.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.