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Finding the Third Proportional to 112,703,242.50 and 172,406,729.25

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Solution

The third proportional to 112,703,242.50 and 172,406,729.25 is: 263,737,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,703,242.50 : 172,406,729.25 = 172,406,729.25 : x
  2. Step 2: Convert to fraction form
    112,703,242.50/172,406,729.25 = 172,406,729.25/x
  3. Step 3: Cross multiply
    112,703,242.50x = 172,406,729.25 × 172,406,729.25
  4. Step 4: Simplify right side
    112,703,242.50x = 29,724,080,290,682,804
  5. Step 5: Solve for x
    x = 29,724,080,290,682,804/112,703,242.50
  6. Step 6: Final answer
    x = 263,737,578.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.