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Finding the Third Proportional to 10,478,556 and 15,653,130

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Solution

The third proportional to 10,478,556 and 15,653,130 is: 23,383,038.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,556 : 15,653,130 = 15,653,130 : x
  2. Step 2: Convert to fraction form
    10,478,556/15,653,130 = 15,653,130/x
  3. Step 3: Cross multiply
    10,478,556x = 15,653,130 × 15,653,130
  4. Step 4: Simplify right side
    10,478,556x = 245,020,478,796,900
  5. Step 5: Solve for x
    x = 245,020,478,796,900/10,478,556
  6. Step 6: Final answer
    x = 23,383,038.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.