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Finding the Third Proportional to 143,080,076 and 309,929,882

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Solution

The third proportional to 143,080,076 and 309,929,882 is: 671,348,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,080,076 : 309,929,882 = 309,929,882 : x
  2. Step 2: Convert to fraction form
    143,080,076/309,929,882 = 309,929,882/x
  3. Step 3: Cross multiply
    143,080,076x = 309,929,882 × 309,929,882
  4. Step 4: Simplify right side
    143,080,076x = 96,056,531,756,533,920
  5. Step 5: Solve for x
    x = 96,056,531,756,533,920/143,080,076
  6. Step 6: Final answer
    x = 671,348,062.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.