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Finding the Third Proportional to 554,710,325.84 and 1,220,360,776.66

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Solution

The third proportional to 554,710,325.84 and 1,220,360,776.66 is: 2,684,789,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,710,325.84 : 1,220,360,776.66 = 1,220,360,776.66 : x
  2. Step 2: Convert to fraction form
    554,710,325.84/1,220,360,776.66 = 1,220,360,776.66/x
  3. Step 3: Cross multiply
    554,710,325.84x = 1,220,360,776.66 × 1,220,360,776.66
  4. Step 4: Simplify right side
    554,710,325.84x = 1,489,280,425,220,205,312
  5. Step 5: Solve for x
    x = 1,489,280,425,220,205,312/554,710,325.84
  6. Step 6: Final answer
    x = 2,684,789,440.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.