Finding the Third Proportional to 319,261.50 and 478,012.50
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Solution
The third proportional to 319,261.50 and 478,012.50 is: 715,701.55
Step by Step Solution
- Step 1: Write the proportion equation
319,261.50 : 478,012.50 = 478,012.50 : x - Step 2: Convert to fraction form
319,261.50/478,012.50 = 478,012.50/x - Step 3: Cross multiply
319,261.50x = 478,012.50 × 478,012.50 - Step 4: Simplify right side
319,261.50x = 228,495,950,156.25 - Step 5: Solve for x
x = 228,495,950,156.25/319,261.50 - Step 6: Final answer
x = 715,701.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.