Home / 178,724,307.75-385,677,439.50

Finding the Third Proportional to 178,724,307.75 and 385,677,439.50

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Solution

The third proportional to 178,724,307.75 and 385,677,439.50 is: 832,271,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,724,307.75 : 385,677,439.50 = 385,677,439.50 : x
  2. Step 2: Convert to fraction form
    178,724,307.75/385,677,439.50 = 385,677,439.50/x
  3. Step 3: Cross multiply
    178,724,307.75x = 385,677,439.50 × 385,677,439.50
  4. Step 4: Simplify right side
    178,724,307.75x = 148,747,087,339,276,160
  5. Step 5: Solve for x
    x = 148,747,087,339,276,160/178,724,307.75
  6. Step 6: Final answer
    x = 832,271,162.28

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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.