Home / 30,280,533.75-66,423,472.88

Finding the Third Proportional to 30,280,533.75 and 66,423,472.88

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Solution

The third proportional to 30,280,533.75 and 66,423,472.88 is: 145,706,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280,533.75 : 66,423,472.88 = 66,423,472.88 : x
  2. Step 2: Convert to fraction form
    30,280,533.75/66,423,472.88 = 66,423,472.88/x
  3. Step 3: Cross multiply
    30,280,533.75x = 66,423,472.88 × 66,423,472.88
  4. Step 4: Simplify right side
    30,280,533.75x = 4,412,077,748,775,861
  5. Step 5: Solve for x
    x = 4,412,077,748,775,861/30,280,533.75
  6. Step 6: Final answer
    x = 145,706,736.39

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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.