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Finding the Third Proportional to 360,370,978 and 786,798,090

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Solution

The third proportional to 360,370,978 and 786,798,090 is: 1,717,816,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,370,978 : 786,798,090 = 786,798,090 : x
  2. Step 2: Convert to fraction form
    360,370,978/786,798,090 = 786,798,090/x
  3. Step 3: Cross multiply
    360,370,978x = 786,798,090 × 786,798,090
  4. Step 4: Simplify right side
    360,370,978x = 619,051,234,427,648,128
  5. Step 5: Solve for x
    x = 619,051,234,427,648,128/360,370,978
  6. Step 6: Final answer
    x = 1,717,816,561.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.