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Finding the Third Proportional to 153,350,776 and 330,084,955

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Solution

The third proportional to 153,350,776 and 330,084,955 is: 710,502,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,350,776 : 330,084,955 = 330,084,955 : x
  2. Step 2: Convert to fraction form
    153,350,776/330,084,955 = 330,084,955/x
  3. Step 3: Cross multiply
    153,350,776x = 330,084,955 × 330,084,955
  4. Step 4: Simplify right side
    153,350,776x = 108,956,077,517,352,032
  5. Step 5: Solve for x
    x = 108,956,077,517,352,032/153,350,776
  6. Step 6: Final answer
    x = 710,502,289.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.