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Finding the Third Proportional to 161,991,501.75 and 349,840,009.13

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Solution

The third proportional to 161,991,501.75 and 349,840,009.13 is: 755,521,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,991,501.75 : 349,840,009.13 = 349,840,009.13 : x
  2. Step 2: Convert to fraction form
    161,991,501.75/349,840,009.13 = 349,840,009.13/x
  3. Step 3: Cross multiply
    161,991,501.75x = 349,840,009.13 × 349,840,009.13
  4. Step 4: Simplify right side
    161,991,501.75x = 122,388,031,984,580,080
  5. Step 5: Solve for x
    x = 122,388,031,984,580,080/161,991,501.75
  6. Step 6: Final answer
    x = 755,521,312.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.