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Finding the Third Proportional to 161,931,738 and 352,615,239

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Solution

The third proportional to 161,931,738 and 352,615,239 is: 767,839,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,931,738 : 352,615,239 = 352,615,239 : x
  2. Step 2: Convert to fraction form
    161,931,738/352,615,239 = 352,615,239/x
  3. Step 3: Cross multiply
    161,931,738x = 352,615,239 × 352,615,239
  4. Step 4: Simplify right side
    161,931,738x = 124,337,506,775,027,120
  5. Step 5: Solve for x
    x = 124,337,506,775,027,120/161,931,738
  6. Step 6: Final answer
    x = 767,839,018.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.