Home / 2,709,845.30-3,989,916.35

Finding the Third Proportional to 2,709,845.30 and 3,989,916.35

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Solution

The third proportional to 2,709,845.30 and 3,989,916.35 is: 5,874,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,845.30 : 3,989,916.35 = 3,989,916.35 : x
  2. Step 2: Convert to fraction form
    2,709,845.30/3,989,916.35 = 3,989,916.35/x
  3. Step 3: Cross multiply
    2,709,845.30x = 3,989,916.35 × 3,989,916.35
  4. Step 4: Simplify right side
    2,709,845.30x = 15,919,432,492,465.81
  5. Step 5: Solve for x
    x = 15,919,432,492,465.81/2,709,845.30
  6. Step 6: Final answer
    x = 5,874,664.69

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.