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Finding the Third Proportional to 858,360 and 1,860,072

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Solution

The third proportional to 858,360 and 1,860,072 is: 4,030,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,360 : 1,860,072 = 1,860,072 : x
  2. Step 2: Convert to fraction form
    858,360/1,860,072 = 1,860,072/x
  3. Step 3: Cross multiply
    858,360x = 1,860,072 × 1,860,072
  4. Step 4: Simplify right side
    858,360x = 3,459,867,845,184
  5. Step 5: Solve for x
    x = 3,459,867,845,184/858,360
  6. Step 6: Final answer
    x = 4,030,788.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.