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Finding the Third Proportional to 239,598,631.50 and 358,077,388.50

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Solution

The third proportional to 239,598,631.50 and 358,077,388.50 is: 535,142,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,598,631.50 : 358,077,388.50 = 358,077,388.50 : x
  2. Step 2: Convert to fraction form
    239,598,631.50/358,077,388.50 = 358,077,388.50/x
  3. Step 3: Cross multiply
    239,598,631.50x = 358,077,388.50 × 358,077,388.50
  4. Step 4: Simplify right side
    239,598,631.50x = 128,219,416,154,979,936
  5. Step 5: Solve for x
    x = 128,219,416,154,979,936/239,598,631.50
  6. Step 6: Final answer
    x = 535,142,522.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.