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Finding the Third Proportional to 143,581,272 and 313,476,528

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Solution

The third proportional to 143,581,272 and 313,476,528 is: 684,403,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,581,272 : 313,476,528 = 313,476,528 : x
  2. Step 2: Convert to fraction form
    143,581,272/313,476,528 = 313,476,528/x
  3. Step 3: Cross multiply
    143,581,272x = 313,476,528 × 313,476,528
  4. Step 4: Simplify right side
    143,581,272x = 98,267,533,606,934,784
  5. Step 5: Solve for x
    x = 98,267,533,606,934,784/143,581,272
  6. Step 6: Final answer
    x = 684,403,559.31

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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.