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Finding the Third Proportional to 143,945,534 and 310,828,132

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Solution

The third proportional to 143,945,534 and 310,828,132 is: 671,185,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,945,534 : 310,828,132 = 310,828,132 : x
  2. Step 2: Convert to fraction form
    143,945,534/310,828,132 = 310,828,132/x
  3. Step 3: Cross multiply
    143,945,534x = 310,828,132 × 310,828,132
  4. Step 4: Simplify right side
    143,945,534x = 96,614,127,642,609,424
  5. Step 5: Solve for x
    x = 96,614,127,642,609,424/143,945,534
  6. Step 6: Final answer
    x = 671,185,308.48

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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.