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Finding the Third Proportional to 72,677,476.13 and 111,710,539.13

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Solution

The third proportional to 72,677,476.13 and 111,710,539.13 is: 171,707,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,677,476.13 : 111,710,539.13 = 111,710,539.13 : x
  2. Step 2: Convert to fraction form
    72,677,476.13/111,710,539.13 = 111,710,539.13/x
  3. Step 3: Cross multiply
    72,677,476.13x = 111,710,539.13 × 111,710,539.13
  4. Step 4: Simplify right side
    72,677,476.13x = 12,479,244,551,598,156
  5. Step 5: Solve for x
    x = 12,479,244,551,598,156/72,677,476.13
  6. Step 6: Final answer
    x = 171,707,181.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.