Home / 3,130,645.50-4,789,075.78

Finding the Third Proportional to 3,130,645.50 and 4,789,075.78

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Solution

The third proportional to 3,130,645.50 and 4,789,075.78 is: 7,326,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,645.50 : 4,789,075.78 = 4,789,075.78 : x
  2. Step 2: Convert to fraction form
    3,130,645.50/4,789,075.78 = 4,789,075.78/x
  3. Step 3: Cross multiply
    3,130,645.50x = 4,789,075.78 × 4,789,075.78
  4. Step 4: Simplify right side
    3,130,645.50x = 22,935,246,838,555.30
  5. Step 5: Solve for x
    x = 22,935,246,838,555.30/3,130,645.50
  6. Step 6: Final answer
    x = 7,326,044.05

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.