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Finding the Third Proportional to 28,742,892.75 and 63,050,487.75

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Solution

The third proportional to 28,742,892.75 and 63,050,487.75 is: 138,307,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742,892.75 : 63,050,487.75 = 63,050,487.75 : x
  2. Step 2: Convert to fraction form
    28,742,892.75/63,050,487.75 = 63,050,487.75/x
  3. Step 3: Cross multiply
    28,742,892.75x = 63,050,487.75 × 63,050,487.75
  4. Step 4: Simplify right side
    28,742,892.75x = 3,975,364,005,512,900
  5. Step 5: Solve for x
    x = 3,975,364,005,512,900/28,742,892.75
  6. Step 6: Final answer
    x = 138,307,721.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.