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Finding the Third Proportional to 66,007,877.06 and 143,375,123.25

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Solution

The third proportional to 66,007,877.06 and 143,375,123.25 is: 311,423,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007,877.06 : 143,375,123.25 = 143,375,123.25 : x
  2. Step 2: Convert to fraction form
    66,007,877.06/143,375,123.25 = 143,375,123.25/x
  3. Step 3: Cross multiply
    66,007,877.06x = 143,375,123.25 × 143,375,123.25
  4. Step 4: Simplify right side
    66,007,877.06x = 20,556,425,966,952,692
  5. Step 5: Solve for x
    x = 20,556,425,966,952,692/66,007,877.06
  6. Step 6: Final answer
    x = 311,423,831.24

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.