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Finding the Third Proportional to 1,330,949,749 and 2,069,005,402.50

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Solution

The third proportional to 1,330,949,749 and 2,069,005,402.50 is: 3,216,337,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,949,749 : 2,069,005,402.50 = 2,069,005,402.50 : x
  2. Step 2: Convert to fraction form
    1,330,949,749/2,069,005,402.50 = 2,069,005,402.50/x
  3. Step 3: Cross multiply
    1,330,949,749x = 2,069,005,402.50 × 2,069,005,402.50
  4. Step 4: Simplify right side
    1,330,949,749x = 4,280,783,355,574,187,008
  5. Step 5: Solve for x
    x = 4,280,783,355,574,187,008/1,330,949,749
  6. Step 6: Final answer
    x = 3,216,337,325.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.