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Finding the Third Proportional to 7,766,201 and 12,156,335

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Solution

The third proportional to 7,766,201 and 12,156,335 is: 19,028,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,201 : 12,156,335 = 12,156,335 : x
  2. Step 2: Convert to fraction form
    7,766,201/12,156,335 = 12,156,335/x
  3. Step 3: Cross multiply
    7,766,201x = 12,156,335 × 12,156,335
  4. Step 4: Simplify right side
    7,766,201x = 147,776,480,632,225
  5. Step 5: Solve for x
    x = 147,776,480,632,225/7,766,201
  6. Step 6: Final answer
    x = 19,028,155.55

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.