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Finding the Third Proportional to 129,278,547 and 181,403,397

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Solution

The third proportional to 129,278,547 and 181,403,397 is: 254,544,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,278,547 : 181,403,397 = 181,403,397 : x
  2. Step 2: Convert to fraction form
    129,278,547/181,403,397 = 181,403,397/x
  3. Step 3: Cross multiply
    129,278,547x = 181,403,397 × 181,403,397
  4. Step 4: Simplify right side
    129,278,547x = 32,907,192,443,139,608
  5. Step 5: Solve for x
    x = 32,907,192,443,139,608/129,278,547
  6. Step 6: Final answer
    x = 254,544,881.63

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