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Finding the Third Proportional to 115,438,700 and 178,898,200

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Solution

The third proportional to 115,438,700 and 178,898,200 is: 277,242,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,438,700 : 178,898,200 = 178,898,200 : x
  2. Step 2: Convert to fraction form
    115,438,700/178,898,200 = 178,898,200/x
  3. Step 3: Cross multiply
    115,438,700x = 178,898,200 × 178,898,200
  4. Step 4: Simplify right side
    115,438,700x = 32,004,565,963,240,000
  5. Step 5: Solve for x
    x = 32,004,565,963,240,000/115,438,700
  6. Step 6: Final answer
    x = 277,242,952.00

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.