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Finding the Third Proportional to 90,794,655 and 127,402,894.50

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Solution

The third proportional to 90,794,655 and 127,402,894.50 is: 178,771,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,794,655 : 127,402,894.50 = 127,402,894.50 : x
  2. Step 2: Convert to fraction form
    90,794,655/127,402,894.50 = 127,402,894.50/x
  3. Step 3: Cross multiply
    90,794,655x = 127,402,894.50 × 127,402,894.50
  4. Step 4: Simplify right side
    90,794,655x = 16,231,497,526,978,130
  5. Step 5: Solve for x
    x = 16,231,497,526,978,130/90,794,655
  6. Step 6: Final answer
    x = 178,771,509.48

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.