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Finding the Third Proportional to 52,807,679 and 80,781,440

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Solution

The third proportional to 52,807,679 and 80,781,440 is: 123,573,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,807,679 : 80,781,440 = 80,781,440 : x
  2. Step 2: Convert to fraction form
    52,807,679/80,781,440 = 80,781,440/x
  3. Step 3: Cross multiply
    52,807,679x = 80,781,440 × 80,781,440
  4. Step 4: Simplify right side
    52,807,679x = 6,525,641,048,473,600
  5. Step 5: Solve for x
    x = 6,525,641,048,473,600/52,807,679
  6. Step 6: Final answer
    x = 123,573,714.51

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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.