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Finding the Third Proportional to 2,106,406.88 and 4,537,276.13

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Solution

The third proportional to 2,106,406.88 and 4,537,276.13 is: 9,773,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,406.88 : 4,537,276.13 = 4,537,276.13 : x
  2. Step 2: Convert to fraction form
    2,106,406.88/4,537,276.13 = 4,537,276.13/x
  3. Step 3: Cross multiply
    2,106,406.88x = 4,537,276.13 × 4,537,276.13
  4. Step 4: Simplify right side
    2,106,406.88x = 20,586,874,634,495.02
  5. Step 5: Solve for x
    x = 20,586,874,634,495.02/2,106,406.88
  6. Step 6: Final answer
    x = 9,773,455.87

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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.