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Finding the Third Proportional to 8,778,312 and 12,528,792

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Solution

The third proportional to 8,778,312 and 12,528,792 is: 17,881,641.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,312 : 12,528,792 = 12,528,792 : x
  2. Step 2: Convert to fraction form
    8,778,312/12,528,792 = 12,528,792/x
  3. Step 3: Cross multiply
    8,778,312x = 12,528,792 × 12,528,792
  4. Step 4: Simplify right side
    8,778,312x = 156,970,628,979,264
  5. Step 5: Solve for x
    x = 156,970,628,979,264/8,778,312
  6. Step 6: Final answer
    x = 17,881,641.59

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.