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Finding the Third Proportional to 64,506,983 and 139,283,571

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Solution

The third proportional to 64,506,983 and 139,283,571 is: 300,741,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,506,983 : 139,283,571 = 139,283,571 : x
  2. Step 2: Convert to fraction form
    64,506,983/139,283,571 = 139,283,571/x
  3. Step 3: Cross multiply
    64,506,983x = 139,283,571 × 139,283,571
  4. Step 4: Simplify right side
    64,506,983x = 19,399,913,150,512,040
  5. Step 5: Solve for x
    x = 19,399,913,150,512,040/64,506,983
  6. Step 6: Final answer
    x = 300,741,287.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.