Finding the Third Proportional to 644,929,980 and 972,740,006
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Solution
The third proportional to 644,929,980 and 972,740,006 is: 1,467,171,861.47
Step by Step Solution
- Step 1: Write the proportion equation
644,929,980 : 972,740,006 = 972,740,006 : x - Step 2: Convert to fraction form
644,929,980/972,740,006 = 972,740,006/x - Step 3: Cross multiply
644,929,980x = 972,740,006 × 972,740,006 - Step 4: Simplify right side
644,929,980x = 946,223,119,272,880,000 - Step 5: Solve for x
x = 946,223,119,272,880,000/644,929,980 - Step 6: Final answer
x = 1,467,171,861.47
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.