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Finding the Third Proportional to 55,477,863 and 88,354,056

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Solution

The third proportional to 55,477,863 and 88,354,056 is: 140,712,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477,863 : 88,354,056 = 88,354,056 : x
  2. Step 2: Convert to fraction form
    55,477,863/88,354,056 = 88,354,056/x
  3. Step 3: Cross multiply
    55,477,863x = 88,354,056 × 88,354,056
  4. Step 4: Simplify right side
    55,477,863x = 7,806,439,211,651,136
  5. Step 5: Solve for x
    x = 7,806,439,211,651,136/55,477,863
  6. Step 6: Final answer
    x = 140,712,687.72

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.