Home / 142,980,622.88-308,636,061.75

Finding the Third Proportional to 142,980,622.88 and 308,636,061.75

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Solution

The third proportional to 142,980,622.88 and 308,636,061.75 is: 666,217,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,980,622.88 : 308,636,061.75 = 308,636,061.75 : x
  2. Step 2: Convert to fraction form
    142,980,622.88/308,636,061.75 = 308,636,061.75/x
  3. Step 3: Cross multiply
    142,980,622.88x = 308,636,061.75 × 308,636,061.75
  4. Step 4: Simplify right side
    142,980,622.88x = 95,256,218,612,549,808
  5. Step 5: Solve for x
    x = 95,256,218,612,549,808/142,980,622.88
  6. Step 6: Final answer
    x = 666,217,678.29

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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.