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Finding the Third Proportional to 161,574,712 and 255,888,897

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Solution

The third proportional to 161,574,712 and 255,888,897 is: 405,256,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,574,712 : 255,888,897 = 255,888,897 : x
  2. Step 2: Convert to fraction form
    161,574,712/255,888,897 = 255,888,897/x
  3. Step 3: Cross multiply
    161,574,712x = 255,888,897 × 255,888,897
  4. Step 4: Simplify right side
    161,574,712x = 65,479,127,607,876,608
  5. Step 5: Solve for x
    x = 65,479,127,607,876,608/161,574,712
  6. Step 6: Final answer
    x = 405,256,037.89

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.