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Finding the Third Proportional to 20,697,580 and 45,019,284

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Solution

The third proportional to 20,697,580 and 45,019,284 is: 97,921,396.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,580 : 45,019,284 = 45,019,284 : x
  2. Step 2: Convert to fraction form
    20,697,580/45,019,284 = 45,019,284/x
  3. Step 3: Cross multiply
    20,697,580x = 45,019,284 × 45,019,284
  4. Step 4: Simplify right side
    20,697,580x = 2,026,735,931,872,656
  5. Step 5: Solve for x
    x = 2,026,735,931,872,656/20,697,580
  6. Step 6: Final answer
    x = 97,921,396.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.