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Finding the Third Proportional to 1,415,525,070 and 2,123,287,821

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Solution

The third proportional to 1,415,525,070 and 2,123,287,821 is: 3,184,932,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,525,070 : 2,123,287,821 = 2,123,287,821 : x
  2. Step 2: Convert to fraction form
    1,415,525,070/2,123,287,821 = 2,123,287,821/x
  3. Step 3: Cross multiply
    1,415,525,070x = 2,123,287,821 × 2,123,287,821
  4. Step 4: Simplify right side
    1,415,525,070x = 4,508,351,170,806,927,872
  5. Step 5: Solve for x
    x = 4,508,351,170,806,927,872/1,415,525,070
  6. Step 6: Final answer
    x = 3,184,932,055.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.