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Finding the Third Proportional to 3,130,808.63 and 6,734,913.75

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Solution

The third proportional to 3,130,808.63 and 6,734,913.75 is: 14,487,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,808.63 : 6,734,913.75 = 6,734,913.75 : x
  2. Step 2: Convert to fraction form
    3,130,808.63/6,734,913.75 = 6,734,913.75/x
  3. Step 3: Cross multiply
    3,130,808.63x = 6,734,913.75 × 6,734,913.75
  4. Step 4: Simplify right side
    3,130,808.63x = 45,359,063,219,939.06
  5. Step 5: Solve for x
    x = 45,359,063,219,939.06/3,130,808.63
  6. Step 6: Final answer
    x = 14,487,970.57

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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.