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Finding the Third Proportional to 7,128,212 and 10,299,038

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Solution

The third proportional to 7,128,212 and 10,299,038 is: 14,880,335.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,212 : 10,299,038 = 10,299,038 : x
  2. Step 2: Convert to fraction form
    7,128,212/10,299,038 = 10,299,038/x
  3. Step 3: Cross multiply
    7,128,212x = 10,299,038 × 10,299,038
  4. Step 4: Simplify right side
    7,128,212x = 106,070,183,725,444
  5. Step 5: Solve for x
    x = 106,070,183,725,444/7,128,212
  6. Step 6: Final answer
    x = 14,880,335.17

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.