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Finding the Third Proportional to 55,037,952 and 128,522,880

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Solution

The third proportional to 55,037,952 and 128,522,880 is: 300,122,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,037,952 : 128,522,880 = 128,522,880 : x
  2. Step 2: Convert to fraction form
    55,037,952/128,522,880 = 128,522,880/x
  3. Step 3: Cross multiply
    55,037,952x = 128,522,880 × 128,522,880
  4. Step 4: Simplify right side
    55,037,952x = 16,518,130,683,494,400
  5. Step 5: Solve for x
    x = 16,518,130,683,494,400/55,037,952
  6. Step 6: Final answer
    x = 300,122,553.32

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.