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Finding the Third Proportional to 74,221,938 and 153,535,207.50

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Solution

The third proportional to 74,221,938 and 153,535,207.50 is: 317,602,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,221,938 : 153,535,207.50 = 153,535,207.50 : x
  2. Step 2: Convert to fraction form
    74,221,938/153,535,207.50 = 153,535,207.50/x
  3. Step 3: Cross multiply
    74,221,938x = 153,535,207.50 × 153,535,207.50
  4. Step 4: Simplify right side
    74,221,938x = 23,573,059,942,068,056
  5. Step 5: Solve for x
    x = 23,573,059,942,068,056/74,221,938
  6. Step 6: Final answer
    x = 317,602,323.21

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.