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Finding the Third Proportional to 87,901,191 and 129,311,038.50

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Solution

The third proportional to 87,901,191 and 129,311,038.50 is: 190,228,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,901,191 : 129,311,038.50 = 129,311,038.50 : x
  2. Step 2: Convert to fraction form
    87,901,191/129,311,038.50 = 129,311,038.50/x
  3. Step 3: Cross multiply
    87,901,191x = 129,311,038.50 × 129,311,038.50
  4. Step 4: Simplify right side
    87,901,191x = 16,721,344,677,948,482
  5. Step 5: Solve for x
    x = 16,721,344,677,948,482/87,901,191
  6. Step 6: Final answer
    x = 190,228,875.03

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.