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Finding the Third Proportional to 111,888,768 and 168,861,248

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Solution

The third proportional to 111,888,768 and 168,861,248 is: 254,843,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,888,768 : 168,861,248 = 168,861,248 : x
  2. Step 2: Convert to fraction form
    111,888,768/168,861,248 = 168,861,248/x
  3. Step 3: Cross multiply
    111,888,768x = 168,861,248 × 168,861,248
  4. Step 4: Simplify right side
    111,888,768x = 28,514,121,076,117,504
  5. Step 5: Solve for x
    x = 28,514,121,076,117,504/111,888,768
  6. Step 6: Final answer
    x = 254,843,462.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.