Home / 143,779,768.88-314,928,172.13

Finding the Third Proportional to 143,779,768.88 and 314,928,172.13

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Solution

The third proportional to 143,779,768.88 and 314,928,172.13 is: 689,803,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,779,768.88 : 314,928,172.13 = 314,928,172.13 : x
  2. Step 2: Convert to fraction form
    143,779,768.88/314,928,172.13 = 314,928,172.13/x
  3. Step 3: Cross multiply
    143,779,768.88x = 314,928,172.13 × 314,928,172.13
  4. Step 4: Simplify right side
    143,779,768.88x = 99,179,753,597,993,632
  5. Step 5: Solve for x
    x = 99,179,753,597,993,632/143,779,768.88
  6. Step 6: Final answer
    x = 689,803,262.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.