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Finding the Third Proportional to 127,603,010 and 279,908,212

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Solution

The third proportional to 127,603,010 and 279,908,212 is: 614,002,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,603,010 : 279,908,212 = 279,908,212 : x
  2. Step 2: Convert to fraction form
    127,603,010/279,908,212 = 279,908,212/x
  3. Step 3: Cross multiply
    127,603,010x = 279,908,212 × 279,908,212
  4. Step 4: Simplify right side
    127,603,010x = 78,348,607,145,036,944
  5. Step 5: Solve for x
    x = 78,348,607,145,036,944/127,603,010
  6. Step 6: Final answer
    x = 614,002,813.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.