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Finding the Third Proportional to 1,430,715 and 2,148,840

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Solution

The third proportional to 1,430,715 and 2,148,840 is: 3,227,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,715 : 2,148,840 = 2,148,840 : x
  2. Step 2: Convert to fraction form
    1,430,715/2,148,840 = 2,148,840/x
  3. Step 3: Cross multiply
    1,430,715x = 2,148,840 × 2,148,840
  4. Step 4: Simplify right side
    1,430,715x = 4,617,513,345,600
  5. Step 5: Solve for x
    x = 4,617,513,345,600/1,430,715
  6. Step 6: Final answer
    x = 3,227,416.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.