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Finding the Third Proportional to 3,700,090.13 and 8,913,938.63

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Solution

The third proportional to 3,700,090.13 and 8,913,938.63 is: 21,474,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700,090.13 : 8,913,938.63 = 8,913,938.63 : x
  2. Step 2: Convert to fraction form
    3,700,090.13/8,913,938.63 = 8,913,938.63/x
  3. Step 3: Cross multiply
    3,700,090.13x = 8,913,938.63 × 8,913,938.63
  4. Step 4: Simplify right side
    3,700,090.13x = 79,458,301,810,266.89
  5. Step 5: Solve for x
    x = 79,458,301,810,266.89/3,700,090.13
  6. Step 6: Final answer
    x = 21,474,693.62

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.