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Finding the Third Proportional to 56,712,378 and 87,984,671

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Solution

The third proportional to 56,712,378 and 87,984,671 is: 136,501,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712,378 : 87,984,671 = 87,984,671 : x
  2. Step 2: Convert to fraction form
    56,712,378/87,984,671 = 87,984,671/x
  3. Step 3: Cross multiply
    56,712,378x = 87,984,671 × 87,984,671
  4. Step 4: Simplify right side
    56,712,378x = 7,741,302,330,978,241
  5. Step 5: Solve for x
    x = 7,741,302,330,978,241/56,712,378
  6. Step 6: Final answer
    x = 136,501,106.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.